94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2015 Samsung Electronics
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*
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* Przemyslaw Marczak <p.marczak@samsung.com>
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*/
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#include <common.h>
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#include <errno.h>
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#include <dm.h>
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#include <log.h>
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#include <power/pmic.h>
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#include <power/regulator.h>
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#include "regulator_common.h"
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static int fixed_regulator_of_to_plat(struct udevice *dev)
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{
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struct dm_regulator_uclass_plat *uc_pdata;
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struct regulator_common_plat *dev_pdata;
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dev_pdata = dev_get_plat(dev);
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uc_pdata = dev_get_uclass_plat(dev);
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if (!uc_pdata)
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return -ENXIO;
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uc_pdata->type = REGULATOR_TYPE_FIXED;
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return regulator_common_of_to_plat(dev, dev_pdata, "gpio");
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}
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static int fixed_regulator_get_value(struct udevice *dev)
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{
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struct dm_regulator_uclass_plat *uc_pdata;
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uc_pdata = dev_get_uclass_plat(dev);
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if (!uc_pdata)
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return -ENXIO;
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if (uc_pdata->min_uV != uc_pdata->max_uV) {
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debug("Invalid constraints for: %s\n", uc_pdata->name);
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return -EINVAL;
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}
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return uc_pdata->min_uV;
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}
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static int fixed_regulator_get_current(struct udevice *dev)
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{
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struct dm_regulator_uclass_plat *uc_pdata;
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uc_pdata = dev_get_uclass_plat(dev);
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if (!uc_pdata)
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return -ENXIO;
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if (uc_pdata->min_uA != uc_pdata->max_uA) {
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debug("Invalid constraints for: %s\n", uc_pdata->name);
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return -EINVAL;
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}
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return uc_pdata->min_uA;
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}
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static int fixed_regulator_get_enable(struct udevice *dev)
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{
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return regulator_common_get_enable(dev, dev_get_plat(dev));
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}
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static int fixed_regulator_set_enable(struct udevice *dev, bool enable)
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{
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return regulator_common_set_enable(dev, dev_get_plat(dev), enable);
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}
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static const struct dm_regulator_ops fixed_regulator_ops = {
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.get_value = fixed_regulator_get_value,
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.get_current = fixed_regulator_get_current,
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.get_enable = fixed_regulator_get_enable,
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.set_enable = fixed_regulator_set_enable,
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};
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static const struct udevice_id fixed_regulator_ids[] = {
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{ .compatible = "regulator-fixed" },
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{ },
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};
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U_BOOT_DRIVER(regulator_fixed) = {
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.name = "regulator_fixed",
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.id = UCLASS_REGULATOR,
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.ops = &fixed_regulator_ops,
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.of_match = fixed_regulator_ids,
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.of_to_plat = fixed_regulator_of_to_plat,
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.plat_auto = sizeof(struct regulator_common_plat),
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};
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